Finding the Fourth Proportional to 207,281.06, 310,921.60 and 207,281.06
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Solution
The fourth proportional to 207,281.06, 310,921.60 and 207,281.06 is: 310,921.60
Step by Step Solution
- Step 1: Write the proportion equation
207,281.06 : 310,921.60 = 207,281.06 : x - Step 2: Convert to fraction form
207,281.06/310,921.60 = 207,281.06/x - Step 3: Cross multiply
207,281.06x = 310,921.60 × 207,281.06 - Step 4: Simplify right side
207,281.06x = 64,448,158,824.90 - Step 5: Solve for x
x = 64,448,158,824.90/207,281.06 - Step 6: Final answer
x = 310,921.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.